Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '835c24156d2faac47aea89b61ca1f9c2605a6c44b121e808574c1849a2452e0f' 
  AND token = '8cn505vUnZhmQDcHz0VxkuolIoGqdzT9J0x3eVgUWgY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}